Before (end of 1998) (48 seats, Elections Centre)
Labour 33 · Liberal Democrats 7 · Conservative 6 · Other 2
After (end of 1999) (48 seats, Elections Centre)
Labour 31 · Conservative 9 · Liberal Democrats 6 · Other 2
Ward results
Adlington1 seat · turnout 22.2%
| F. Molyneaux | Labour | 698 ✓ |
| R Ormston | Liberal Democrats | 273 |
Chorley East1 seat · turnout 20.1%
| B. Hodson | Labour | 627 ✓ |
| E Baxendale | Conservative | 204 |
Chorley North East1 seat · turnout 21.9%
| A. Lowe | Labour | 610 ✓ |
| C Goldsby | Conservative | 224 |
| G. Charlesworth | Liberal Democrats | 81 |
Chorley South East1 seat · turnout 26.9%
| A Holgate | Labour | 646 ✓ |
| R. Tyler | Conservative | 355 |
| D Porter | Liberal Democrats | 79 |
Chorley South West1 seat · turnout 19.9%
| T. McGowan | Labour | 776 ✓ |
| P. Malpas | Conservative | 268 |
Chorley West1 seat · turnout 27.5%
| Alfie Gee | Labour | 720 ✓ |
| R. Goldsby | Conservative | 257 |
| M. Porter | Liberal Democrats | 173 |
Clayton West and Cuerden1 seat · turnout 35.9%
| L. Brownlee | Labour | 528 ✓ |
| J Walker | Conservative | 419 |
| G. Ormston | Liberal Democrats | 193 |
Clayton-Le-Woods East1 seat · turnout 27.6%
| S. Fenn | Liberal Democrats | 1,010 ✓ |
| R Livesey | Conservative | 696 |
| J. Cronshaw | Labour | 402 |
Coppull North1 seat · turnout 30.8%
| Patricia Cuerden | Liberal Democrats | 533 ✓ |
| J Murphy | Labour | 345 |
Coppull South1 seat · turnout 35.8%
| E. Holland | Liberal Democrats | 764 ✓ |
| H. Thompson | Labour | 262 |
| C McMullan | Independent | 54 |
Eccleston & Heskin1 seat · turnout 37.4%
| T. Titherington | Labour | 946 ✓ |
| B. Twist | Conservative | 636 |
Euxton North1 seat · turnout 30.7%
| T. Gray | Labour | 503 ✓ |
| P Goldsworthy | Conservative | 359 |
| P. Sharp | Liberal Democrats | 46 |
Euxton South1 seat · turnout 33.2%
| G. Russell | Conservative | 508 ✓ |
| J. Cocking | Labour | 497 |
| L. Norman | Liberal Democrats | 101 |
Lostock1 seat · turnout 33.3%
| H. Sutton | Conservative | 590 ✓ |
| J Freeman | Labour | 304 |
| D. Heyes | Ind Lab | 145 |
| W Mellor | Liberal Democrats | 53 |
Whittle Le Woods1 seat · turnout 31.5%
| M. Ward | Conservative | 622 ✓ |
| S Turner | Labour | 263 |
| S Harding | Liberal Democrats | 140 |
